NJ7P SQL Tube Database Query

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3E6
Sharp-Cutoff Pentode

EIA Base & Outline

EIA Base: 7CJEIA Bulb: 9-30

Mechanical Data

Bulb .......................................... T-9
Base Type ..................................... Lock-In 8-Pin
EIA Outline ................................... 9-30
EIA Base ...................................... 7CJ

Electrical Data

Filament Voltage .............................. 2.8/1.4 DC V
Filament Current .............................. 0.05/0.1 A

Direct Interelectrode Capacitances (approx)

Pentode
Input ......................................... 5.5 pf
Output ........................................ 8 pf
Grid to Plate ................................. 0.007 pf

Characteristics and Typical Operation

Class A Amplifier
Plate Voltage ................................. 90 V
Grid No. 2 Voltage ............................ 90 V
Grid No. 1 Voltage ............................ 0 V
Plate Resistance (approx) ..................... 325K Ω
Transconductance .............................. 1700 µMho
Plate Current ................................. 2.9 mA
Grid No. 2 Current ............................ 1.2 mA

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Thu, 30 Jun 2022 02:42:10 -0700